./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/head-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d269b-2dc0-4f5f-a3a0-29c0b00d5c2d/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d269b-2dc0-4f5f-a3a0-29c0b00d5c2d/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d269b-2dc0-4f5f-a3a0-29c0b00d5c2d/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d269b-2dc0-4f5f-a3a0-29c0b00d5c2d/bin/utaipan-7li7fVZpFI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/head-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d269b-2dc0-4f5f-a3a0-29c0b00d5c2d/bin/utaipan-7li7fVZpFI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d269b-2dc0-4f5f-a3a0-29c0b00d5c2d/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a1bb832e4d0e7c4dd1ff4f93df210c31ebafb64a6fafe0f8b3e3b578f6bcdd32 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 01:51:52,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:51:52,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:51:53,024 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:51:53,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:51:53,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:51:53,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:51:53,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:51:53,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:51:53,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:51:53,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:51:53,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:51:53,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:51:53,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:51:53,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:51:53,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:51:53,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:51:53,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:51:53,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:51:53,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:51:53,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:51:53,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:51:53,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:51:53,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:51:53,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:51:53,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:51:53,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:51:53,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:51:53,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:51:53,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:51:53,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:51:53,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:51:53,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:51:53,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:51:53,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:51:53,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:51:53,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:51:53,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:51:53,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:51:53,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:51:53,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:51:53,107 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d269b-2dc0-4f5f-a3a0-29c0b00d5c2d/bin/utaipan-7li7fVZpFI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-03 01:51:53,152 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:51:53,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:51:53,153 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:51:53,153 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:51:53,154 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:51:53,154 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:51:53,155 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:51:53,155 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:51:53,155 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:51:53,155 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:51:53,156 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:51:53,157 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:51:53,157 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:51:53,157 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:51:53,157 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:51:53,157 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:51:53,158 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:51:53,158 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:51:53,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-03 01:51:53,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-03 01:51:53,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:51:53,159 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 01:51:53,159 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:51:53,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:51:53,160 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-03 01:51:53,160 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-03 01:51:53,160 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-03 01:51:53,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:51:53,161 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 01:51:53,161 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:51:53,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:51:53,161 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:51:53,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:51:53,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:51:53,162 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:51:53,162 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:51:53,162 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:51:53,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:51:53,163 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:51:53,164 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d269b-2dc0-4f5f-a3a0-29c0b00d5c2d/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d269b-2dc0-4f5f-a3a0-29c0b00d5c2d/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1bb832e4d0e7c4dd1ff4f93df210c31ebafb64a6fafe0f8b3e3b578f6bcdd32 [2022-11-03 01:51:53,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:51:53,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:51:53,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:51:53,584 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:51:53,584 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:51:53,586 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d269b-2dc0-4f5f-a3a0-29c0b00d5c2d/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/busybox-1.22.0/head-2.i [2022-11-03 01:51:53,673 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d269b-2dc0-4f5f-a3a0-29c0b00d5c2d/bin/utaipan-7li7fVZpFI/data/5db7eca27/c9b81b70503b4e7f8a4d427c63f5d454/FLAGf6ffbd062 [2022-11-03 01:51:54,519 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:51:54,524 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d269b-2dc0-4f5f-a3a0-29c0b00d5c2d/sv-benchmarks/c/busybox-1.22.0/head-2.i [2022-11-03 01:51:54,566 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d269b-2dc0-4f5f-a3a0-29c0b00d5c2d/bin/utaipan-7li7fVZpFI/data/5db7eca27/c9b81b70503b4e7f8a4d427c63f5d454/FLAGf6ffbd062 [2022-11-03 01:51:55,071 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d269b-2dc0-4f5f-a3a0-29c0b00d5c2d/bin/utaipan-7li7fVZpFI/data/5db7eca27/c9b81b70503b4e7f8a4d427c63f5d454 [2022-11-03 01:51:55,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:51:55,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:51:55,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:51:55,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:51:55,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:51:55,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:51:55" (1/1) ... [2022-11-03 01:51:55,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f67ae5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:55, skipping insertion in model container [2022-11-03 01:51:55,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:51:55" (1/1) ... [2022-11-03 01:51:55,095 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:51:55,188 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:51:56,339 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-03 01:51:56,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6afaaeb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:51:56, skipping insertion in model container [2022-11-03 01:51:56,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:51:56,340 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 01:51:56,342 INFO L158 Benchmark]: Toolchain (without parser) took 1265.94ms. Allocated memory is still 107.0MB. Free memory was 60.1MB in the beginning and 69.6MB in the end (delta: -9.5MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2022-11-03 01:51:56,344 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 107.0MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:51:56,345 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1263.43ms. Allocated memory is still 107.0MB. Free memory was 60.0MB in the beginning and 69.6MB in the end (delta: -9.6MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2022-11-03 01:51:56,347 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 107.0MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1263.43ms. Allocated memory is still 107.0MB. Free memory was 60.0MB in the beginning and 69.6MB in the end (delta: -9.6MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2308]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d269b-2dc0-4f5f-a3a0-29c0b00d5c2d/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d269b-2dc0-4f5f-a3a0-29c0b00d5c2d/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d269b-2dc0-4f5f-a3a0-29c0b00d5c2d/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d269b-2dc0-4f5f-a3a0-29c0b00d5c2d/bin/utaipan-7li7fVZpFI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/head-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d269b-2dc0-4f5f-a3a0-29c0b00d5c2d/bin/utaipan-7li7fVZpFI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d269b-2dc0-4f5f-a3a0-29c0b00d5c2d/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a1bb832e4d0e7c4dd1ff4f93df210c31ebafb64a6fafe0f8b3e3b578f6bcdd32 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 01:51:58,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:51:58,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:51:58,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:51:58,592 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:51:58,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:51:58,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:51:58,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:51:58,611 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:51:58,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:51:58,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:51:58,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:51:58,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:51:58,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:51:58,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:51:58,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:51:58,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:51:58,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:51:58,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:51:58,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:51:58,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:51:58,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:51:58,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:51:58,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:51:58,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:51:58,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:51:58,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:51:58,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:51:58,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:51:58,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:51:58,665 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:51:58,666 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:51:58,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:51:58,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:51:58,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:51:58,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:51:58,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:51:58,671 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:51:58,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:51:58,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:51:58,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:51:58,675 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d269b-2dc0-4f5f-a3a0-29c0b00d5c2d/bin/utaipan-7li7fVZpFI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-03 01:51:58,717 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:51:58,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:51:58,719 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:51:58,719 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:51:58,720 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:51:58,720 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:51:58,720 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:51:58,720 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:51:58,721 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:51:58,721 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:51:58,722 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:51:58,723 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:51:58,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-03 01:51:58,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-03 01:51:58,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:51:58,725 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 01:51:58,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:51:58,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:51:58,726 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-03 01:51:58,726 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-03 01:51:58,726 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-03 01:51:58,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:51:58,726 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 01:51:58,727 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 01:51:58,727 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 01:51:58,727 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:51:58,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:51:58,728 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 01:51:58,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:51:58,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:51:58,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:51:58,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:51:58,729 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 01:51:58,729 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 01:51:58,730 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:51:58,730 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 01:51:58,730 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d269b-2dc0-4f5f-a3a0-29c0b00d5c2d/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d269b-2dc0-4f5f-a3a0-29c0b00d5c2d/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1bb832e4d0e7c4dd1ff4f93df210c31ebafb64a6fafe0f8b3e3b578f6bcdd32 [2022-11-03 01:51:59,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:51:59,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:51:59,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:51:59,170 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:51:59,171 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:51:59,172 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d269b-2dc0-4f5f-a3a0-29c0b00d5c2d/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/busybox-1.22.0/head-2.i [2022-11-03 01:51:59,253 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d269b-2dc0-4f5f-a3a0-29c0b00d5c2d/bin/utaipan-7li7fVZpFI/data/7ab3ddbe9/0db6b1758c274a1fb708482751a28d47/FLAGb7d75ce6b [2022-11-03 01:51:59,971 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:51:59,972 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d269b-2dc0-4f5f-a3a0-29c0b00d5c2d/sv-benchmarks/c/busybox-1.22.0/head-2.i [2022-11-03 01:52:00,003 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d269b-2dc0-4f5f-a3a0-29c0b00d5c2d/bin/utaipan-7li7fVZpFI/data/7ab3ddbe9/0db6b1758c274a1fb708482751a28d47/FLAGb7d75ce6b [2022-11-03 01:52:00,091 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b21d269b-2dc0-4f5f-a3a0-29c0b00d5c2d/bin/utaipan-7li7fVZpFI/data/7ab3ddbe9/0db6b1758c274a1fb708482751a28d47 [2022-11-03 01:52:00,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:52:00,095 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:52:00,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:52:00,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:52:00,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:52:00,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:52:00" (1/1) ... [2022-11-03 01:52:00,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@192813bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:00, skipping insertion in model container [2022-11-03 01:52:00,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:52:00" (1/1) ... [2022-11-03 01:52:00,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:52:00,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:52:01,469 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-03 01:52:01,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6dd7cbea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:01, skipping insertion in model container [2022-11-03 01:52:01,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:52:01,479 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 01:52:01,482 INFO L158 Benchmark]: Toolchain (without parser) took 1385.11ms. Allocated memory was 56.6MB in the beginning and 81.8MB in the end (delta: 25.2MB). Free memory was 28.6MB in the beginning and 50.7MB in the end (delta: -22.1MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2022-11-03 01:52:01,483 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 56.6MB. Free memory was 36.6MB in the beginning and 36.6MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:52:01,485 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1381.58ms. Allocated memory was 56.6MB in the beginning and 81.8MB in the end (delta: 25.2MB). Free memory was 28.3MB in the beginning and 50.7MB in the end (delta: -22.4MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2022-11-03 01:52:01,488 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 56.6MB. Free memory was 36.6MB in the beginning and 36.6MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1381.58ms. Allocated memory was 56.6MB in the beginning and 81.8MB in the end (delta: 25.2MB). Free memory was 28.3MB in the beginning and 50.7MB in the end (delta: -22.4MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2308]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN